| Bug ID | 112124 |
|---|---|
| Summary | Kingdom Come: Deliverance (DXVK) - kernel performance regression [Navi] [RADV/ACO] |
| Product | DRI |
| Version | DRI git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | not set |
| Priority | not set |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | asheldon55@gmail.com |
Kingdom Come: Deliverance (DXVK) has regressed in performance due to the following kernel commit, with aco-navi: commit 828d6fde7f574d74b0a6a591345d3c42b62d5e21 Author: Tianci.Yin <tianci.yin@amd.com> Date: Mon Aug 19 15:30:22 2019 +0800 drm/amdgpu/psp: move TMR to cpu invisible vram region so that more visible vram can be available for umd. Reviewed-by: Christian König <christian.koenig@amd.com>. Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> With 828d6fde7f57 (62 fps/79% GPU usage): https://camo.githubusercontent.com/4608d45738a5174f64daee0604d9f5d7146aee68/68747470733a2f2f692e696d6775722e636f6d2f757356306d33412e6a7067 With 828d6fde7f57 reverted (79 fps, 100% GPU usage): https://camo.githubusercontent.com/77a505f85b75db0d2062aa4d8319b6007ba524fe/68747470733a2f2f692e696d6775722e636f6d2f394366695270452e6a7067 Tests were with aco-navi branch: https://gitlab.freedesktop.org/Venemo/mesa/tree/aco-navi Performance with LLVM is comparable with the commit reverted or not, however. Slightly better with the commit since GPU usage is lower for the same performance: With 828d6fde7f57 (61.4 fps/88% GPU usage): https://i.imgur.com/kJgvRbq.jpg Without 8d6fde7f57 (61.2 fps/100% GPU usage): https://i.imgur.com/AemAss1.jpg System: linux-5.4-rc4 (also tested amd-staging-drm-next) Mesa aco-navi (e641024) and Mesa git (8dadef2ec54) MSI Evoke 5700 XT
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